Home / 91,071,257.40-125,679,332.36-49,818,150.16

Finding the Fourth Proportional to 91,071,257.40, 125,679,332.36 and 49,818,150.16

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Solution

The fourth proportional to 91,071,257.40, 125,679,332.36 and 49,818,150.16 is: 68,749,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,257.40 : 125,679,332.36 = 49,818,150.16 : x
  2. Step 2: Convert to fraction form
    91,071,257.40/125,679,332.36 = 49,818,150.16/x
  3. Step 3: Cross multiply
    91,071,257.40x = 125,679,332.36 × 49,818,150.16
  4. Step 4: Simplify right side
    91,071,257.40x = 6,261,111,851,519,027
  5. Step 5: Solve for x
    x = 6,261,111,851,519,027/91,071,257.40
  6. Step 6: Final answer
    x = 68,749,592.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.